CM 2105 FINAL DELATTE newest actual QUESTIONS

CM 2105 FINAL DELATTE newest actual / QUESTIONS AND ANSWERS. Verified/graded a+.

Point used in Differential leveling process to temporarily transfer elevation from the HI - ---Answers---Turning Point

End a level loop at a known benchmark - ---Answers--- Closed Loop

BM + BS = - ---Answers---HI

HI - FS = - ---Answers---TP elevation

Scope: Determination of elevations "profile" along the

centerline of a route 1) plotted profile allows user to "observe" general slope of ground 2) determine where drainage structures should be located 3) calculate amounts of cut/fill from the existing profile to a proposed profile - ---Answers---Profile Leveling

Scope: useful in the computation of volumes

1) determines elevations for line perpendicular to the centerline 2) Planning 1 / 3

3) elevation spots 4) Accuracy Requirement 5) Equipment 6) Hand level to GPS - ---Answers---Cross Section Leveling

Scope: excellent method for determining volumes of

irregularly shaped excavations *typically a redundant activity (dying out) - ---Answers---Grid Leveling

Most common method: use a calibrated chain and transfer

along a column vertically - ---Answers---Transferring Elevations

Infinite number of ways to apply leveling 1) bucking in elevations 2) setting the instrument at the same elevation each day - --- Answers---Applied Leveling

Can be existing objects

example: Brass Monuments in Concrete - ---Answers---

Setting Benchmarks

1) Minimizes the possibility of errors and blunders 2) 3 wires are read for one elevation reading (procedure) 2 / 3

3) Average of 3 wires is determined (note keeping) - --- Answers---Three Wire Leveling

• setting elevations is most frequent use of leveling
• no mistakes (100% correct)
• Balance BS and FS
• Obtain HI from 2 benchmarks - ---Answers---Setting Grade

Visible Light Electronic Level - ---Answers---Types of Lasers

1) Fixed -pipeline -pocket -carpenters 2) Rotating -horizontal plane -vertical plane 3) Utility - ---Answers---Classes of Lasers

Line and Vertical Lasers Pocket Lasers Walls Ceilings - ---Answers---Interior Lasers

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